Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What has many teeth, but cannot bite?

Can you count the number of triangles in the picture below?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I have an eye but still cannot see.

Who am I?

Solve the puzzle by telling what does below picture means.

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Which digit occurred maximum times between the number 1 and 1000?

In a particular village, only two barbershops exist.

The first shop has a handsome barber with a neat haircut who is handsomely dressed in clean clothes and is extremely humble with his body language. The place is clean and looks hygienic.

In the second shop, you can find a barber with shabby clothing. His hairs are weirdly cut and his clothes still have the stains from last night's dinner. The place is not clean as well and reeks a bit.

You visit the village for the first time and decide to get your haircut. Which barbershop will you like to go for that and why?